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Platinum-Modulated Cobalt Nanocatalysts for Low-Temperature Aqueous-Phase Fischer-Tropsch Synthesis
Wang, Hang1; Zhou, Wu3,4; Liu, Jin-Xun2; Si, Rui5; Sun, Geng1; Zhong, Meng-Qi1; Su, Hai-Yan2; Zhao, Hua-Bo1; Rodriguez, Jose A.5; Pennycook, Stephen J.4; Idrobo, Juan-Carlos4; Li, Wei-Xue2; Kou, Yuan1; Ma, Ding1
刊名JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
2013-03-13
DOI10.1021/ja400771a
135期:10页:4149-4158
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]GAS-SHIFT REACTION ; RUTHENIUM NANOCLUSTER CATALYST ; OXYGEN REDUCTION REACTION ; CORE-SHELL NANOPARTICLES ; CARBON-MONOXIDE ; IONIC LIQUIDS ; BIMETALLIC CATALYSTS ; ELECTRON-MICROSCOPE ; DISSOCIATION ; OXIDATION
英文摘要Fischer-Tropsch synthesis (FTS) is an important catalytic process for liquid fuel generation, which converts coal/shale gas/biomass-derived syngas (a mixture of CO and H-2) to oil. While FTS is thermodynamically favored at low temperature, it is desirable to develop a new catalytic system that could allow working at a relatively low reaction temperature. In this article, we present a one-step hydrogenation-reduction route for the synthesis of Pt-Co nanoparticles (NPs) (NPs) which were found to be excellent catalysts for aqueous-phase FTS at 433 K. Coupling with atomic-resolution scanning transmission electron microscopy (STEM) and theoretical calculations, the outstanding activity is rationalized by the formation of Co overlayer structures on Pt NPs or Pt-Co alloy NPs. The improved energetics and kinetics from the change of the transition states imposed by the lattice mismatch between the two metals are concluded to be the key factors responsible for the dramatically improved FTS performance.
语种英语
WOS记录号WOS:000316244200056
引用统计
被引频次:63[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137817
专题中国科学院大连化学物理研究所
作者单位1.Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA
4.Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA
5.Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA
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Wang, Hang,Zhou, Wu,Liu, Jin-Xun,et al. Platinum-Modulated Cobalt Nanocatalysts for Low-Temperature Aqueous-Phase Fischer-Tropsch Synthesis[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2013,135(10):4149-4158.
APA Wang, Hang.,Zhou, Wu.,Liu, Jin-Xun.,Si, Rui.,Sun, Geng.,...&Ma, Ding.(2013).Platinum-Modulated Cobalt Nanocatalysts for Low-Temperature Aqueous-Phase Fischer-Tropsch Synthesis.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,135(10),4149-4158.
MLA Wang, Hang,et al."Platinum-Modulated Cobalt Nanocatalysts for Low-Temperature Aqueous-Phase Fischer-Tropsch Synthesis".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 135.10(2013):4149-4158.
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